Symptoms of itchy throat and cough may be pulmonary diseases, variant asthma, upper respiratory tract infections, etc., different causes of different treatments. 1. Lung disease: patients with itchy throat and cough and other phenomena, do not rule out and lung infectious diseases, such as patients with inflammatory lung disease, there may be pathogens invade the lung parenchyma, thus producing cough symptoms, because of inflammation caused by the cough, often accompanied by sputum symptoms, and sputum and other inflammatory secretions will also produce stimulation of the throat area, the appearance of itchy throat. 2. Variant asthma: cough tickle throat, in addition to lung disease, but also need to exclude the factors of variant asthma, mainly due to inhalation of allergens, such as dust, cold air, fumes, pollen, etc., so it will produce a pharyngeal metabolic reaction, tickle throat cough and other symptoms. 3. Upper respiratory tract infections: the symptoms of itchy throat and cough may also be caused by upper respiratory tract infections, especially in the cold and flu induced, and further cause tonsillitis, pharyngitis and other diseases, which in turn produces irritation of the throat area, itchy throat and cough symptoms. In short, simply through the symptoms can not determine the cause, so you need to cooperate with the doctor to do further examination to be clear, and then do the treatment.